Azhar, Ahmad Saeed
Aljefri, Hasan Mohamed
Article History
Received: 12 February 2018
Accepted: 8 August 2018
First Online: 31 August 2018
Compliance with Ethical Standards
:
: Authors declare having no proprietary, financial, professional, or any other personal interest of any nature or kind in any product or services and/or company that could be construed or considered to be a potential conflict of interest that might have influenced the views that are expressed in this manuscript. Author received no financial support for this study.
: This study was approved by the institutional review board of King Abdulaziz University. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.